Dell Optiplex - 500GB HDD,New 4GB Memory, DVD-Rom, 17" LCD Monitor(Brands will vary), Windows 7 Professional x64 - (Certified Refurbished) This certified reconditioned product is tested and certified by the manufacturer or by a third-party seller to look and work like new, with some signs of wear. The reconditioning process includes functionality testing, inspection and repackaging! Core 2 Duo Processor | 400GB HDD | New 4GB Memory | Windows 7 Professional x64 | New Keyboard and Mouse.